FR948801A - Photographic lens shutter - Google Patents

Photographic lens shutter

Info

Publication number
FR948801A
FR948801A FR948801DA FR948801A FR 948801 A FR948801 A FR 948801A FR 948801D A FR948801D A FR 948801DA FR 948801 A FR948801 A FR 948801A
Authority
FR
France
Prior art keywords
photographic lens
lens shutter
shutter
photographic
lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Paul-Ferdinand Royet
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR948801A publication Critical patent/FR948801A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18—More than two members
    • G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR948801D 1947-06-18 1947-06-18 Photographic lens shutter Expired FR948801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR948801T 1947-06-18

Publications (1)

Publication Number Publication Date
FR948801A true FR948801A (en) 1949-08-11

Family

ID=9474206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948801D Expired FR948801A (en) 1947-06-18 1947-06-18 Photographic lens shutter

Country Status (1)

Country Link
FR (1) FR948801A (en)

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